DOS ain't dead

UPX 3.92 released - found a bug! (Announce)

posted by Wengier , 10.01.2017, 04:23

> I just found a bug in new UPX 3.92.
> When I compressed the library MFC120.DLL (regardless of used compression
> level or executable version dos/win32) the result was that application
> which use this library failed to load with initialization error 0xc0000005.
> If the library is decomressed and repacked by previous UPX 3.91 (regardless
> of used compression level or executable version dos/win32) it always works
> fine.
> So be carefull and keep the old version handy!
>
> UPDATE: and it's not the only one, IDRVDLL.DLL, Idrvdll32e.dll from intel
> BIOS tools also gets crippled so the bug may affect much more Win32 PE
> files!

This is expected. See the changelog:

Changes in 3.92 (11 Dec 2016):
* UPX has moved to GitHub - the new home page is https://upx.github.io
* IMPORTANT: all PE formats: internal changes: reunited the diverged source files - please report all regressions into the bug tracker and try UPX 3.91 in case of problems.

Wengier

Complete thread:

• UPX 3.92 released - Laaca, 31.12.2016, 14:10 (Announce)
  • UPX 3.92 released - RayeR, 01.01.2017, 17:03
  • UPX 3.92 released - rr, 02.01.2017, 22:26
  • UPX 3.92 released - found a bug! - RayeR, 09.01.2017, 02:06
    • UPX 3.92 released - found a bug! - Wengier, 10.01.2017, 04:23
      • UPX 3.92 released - found a bug! - RayeR, 10.01.2017, 16:07
        • UPX 3.92 released - found a bug! - fixed - RayeR, 15.01.2017, 19:07
  • UPX 3.93 released - RayeR, 29.01.2017, 21:38
    • UPX 3.94 released - Rugxulo, 16.05.2017, 23:17
      • UPX 3.94 released - RayeR, 01.08.2017, 01:08